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SUBSIM: The Web's #1 resource for all submarine & naval simulations since 1997 |
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#31 |
Captain of the Nautilus
Join Date: Mar 2005
Posts: 143
Downloads: 223
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Actually I just remembered I made an error in decipering a variable:
Displacement, Surfaced : 1860 Displacement, Submerged : 2428 Displacement Coefficient : 2438 << this isn't a coefficient. It's actually the "death displacement". See, when you get damaged, your sub will start shipping water on board; and this will affect your displacement. Eventually, if you take on enough water, your submerged displacement will go above the Death Displacement; and you'll die. I found this out when I tried to mod in the Nautilus into the Tench Slot -- the surfaced displacement -- 3,533 tons was above the death displacement; so each time I loaded the game, I died instantly from flooding. ![]() This mechanic is probably to simulate eventual death if you're stuck on the ocean floor above crush depth, but your boat is filling with water. |
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#32 |
Captain of the Nautilus
Join Date: Mar 2005
Posts: 143
Downloads: 223
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The variable at offset 272 is definitely the diesel fuel consumption rate.
It's however, set for an extremely large value; it's the daily fuel consumption in gallons if your engine(s) are running full tilt. I think I've also figured out what these are: Surfaced Motor Coefficient Astern Modifier? Surfaced Motor Coefficient STOPPED Surfaced Motor Coefficient 1/3 Ahead Surfaced Motor Coefficient 2/3 Ahead Surfaced Motor Coefficient Standard Ahead Surfaced Motor Coefficient Full Ahead Surfaced Motor Coefficient Flank Ahead They're how much of your main propulsion plant is used to reach that speed (and also how many lights come on in the main propulsion control panel for that). If your submarine has 2 electric motors; then if you have 200 for a submerged flank coefficient; you need to have both electric motors online to reach flank submerged speed. I noticed this because now that I've got all the coefficients pulled out with my early editor and plotted in Excel for all eight subs; plus all the other variables; I can now discern data patterns. Case in point: Narwhal. 1 diesel and 2 electric motors; and her coefficient curves break down as: Surfaced Astern Modifier 150 Surfaced Stopped Coefficient 0 Surfaced 1/3ds Ahead Coefficient 10 Surfaced 2/3ds Ahead Coefficient 33 Surfaced Standard Ahead Coefficient 50 Surfaced Full Ahead Coefficient 75 Surfaced Flank Ahead Coefficient 100 Submerged Astern Modifier 5 Submerged Stopped Coefficient 0 Submerged 1/3ds Ahead Coefficient 20 Submerged 2/3ds Ahead Coefficient 66 Submerged Standard Ahead Coefficient 100 Submerged Full Ahead Coefficient 150 Submerged Flank Ahead Coefficient 200 While the Gato/Balao/Tench classes all have 4 diesels and 4 electric motors; and have the following coefficients: Surfaced Astern Modifier 100 Surfaced Stopped Coefficient 0 Surfaced 1/3ds Ahead Coefficient 40 Surfaced 2/3ds Ahead Coefficient 93 Surfaced Standard Ahead Coefficient 186 Surfaced Full Ahead Coefficient 320 Surfaced Flank Ahead Coefficient 400 Submerged Astern Modifier 10 Submerged Stopped Coefficient 0 Submerged 1/3ds Ahead Coefficient 50 Submerged 2/3ds Ahead Coefficient 120 Submerged Standard Ahead Coefficient 190 Submerged Full Ahead Coefficient 270 Submerged Flank Ahead Coefficient 400 |
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#33 |
Captain of the Nautilus
Join Date: Mar 2005
Posts: 143
Downloads: 223
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I may have discovered the electric charge/discharge system variables.
What threw me off is that they are negative; so they have lots of 244/etc variables, so they appear to be placeholders at first. So; there are two sets of four variables each. Each set appears right after the engine requirements for that mode (surfaced or submerged). I think what clinches it is Narwhal. While all subs have evenly matched charge/discharge statistics -- e.g. the S Class has the following stats: DIESEL -180 -150 -80 -50 ELECTRIC -180 -150 -80 -50 And this sets the pattern for all the other boats; equal charge/discharge....except for Narwhal... Which is... DIESEL -90 -50 -30 -10 Electric -180 -100 -60 -20 |
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#34 |
Captain of the Nautilus
Join Date: Mar 2005
Posts: 143
Downloads: 223
Uploads: 0
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I've advanced as far as I can in understanding the file format.
I think that unfortunately, battery capacity and oxygen capacity are hard coded as global variables; or if they aren't it's almost impossible to find them without a memory search to find the variables that keep changing when you're submerged; because there's no digital gauge that displays their status; just an imprecise analog gauge. |
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#35 |
Silent Hunter
![]() Join Date: Sep 2010
Posts: 3,975
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![]() Have you looked at any of the files related to the patrol zones and shipping? |
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#36 |
Captain of the Nautilus
Join Date: Mar 2005
Posts: 143
Downloads: 223
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No; I've been too busy trying to do a what if -- USS Nautilus ten years early.
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#37 |
Pacific Aces Dev Team
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Looks great
![]() If I had to request one and only one change to the code, that would be to reduce the shipping to about 10% of what it is now during the patrols ![]()
__________________
One day I will return to sea ... |
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#38 | |
Silent Hunter
![]() Join Date: Sep 2010
Posts: 3,975
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![]() Quote:
That, and the inexplicable goof in the patrol zone dimensions, were my big peeves. |
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#39 |
Captain of the Nautilus
Join Date: Mar 2005
Posts: 143
Downloads: 223
Uploads: 0
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I believe I've identified four unknown variables in WEAPONS.DAT for torpedoes.
Like SUBS.DAT; speed in knots and range in yards is...for fluff purposes only. The actual data is held in horsepower/drag variables, and there are two sets of it; one for each "FAST/SLOW" setting. |
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